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A254396 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 29 2015 20:02:10

%S 36317408,7273310228,1521733260456,284691702793848,56193335758798104,

%T 11088064556797882883,2165666188993340904078,425070478163595626887565,

%U 83410123665948575384046056,16352557115211104772510944008

%N Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 7 of A254390

%H R. H. Hardin, <a href="/A254396/b254396.txt">Table of n, a(n) for n = 1..35</a>

%e Some solutions for n=1

%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

%e ..1..0..0....0..0..0....1..0..0....1..0..0....0..0..0....1..0..0....0..0..0

%e ..0..0..0....0..0..0....0..0..0....0..1..0....0..1..0....0..1..0....0..1..0

%e ..0..0..1....1..0..0....0..0..1....1..0..1....1..0..0....0..0..1....1..0..1

%e ..1..1..1....1..0..0....1..0..1....1..1..1....1..1..1....1..0..1....1..1..1

%e ..1..0..0....1..0..0....1..0..1....1..1..1....0..0..0....1..0..1....0..0..1

%e ..0..1..0....1..1..0....0..0..0....0..0..0....1..1..0....0..1..1....0..1..1

%e ..0..1..1....0..0..1....0..1..1....0..1..1....1..1..1....1..1..1....0..1..0

%e ..0..1..0....1..1..0....1..1..0....0..1..0....1..0..1....0..0..0....1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 29 2015

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Last modified September 18 23:40 EDT 2024. Contains 376002 sequences. (Running on oeis4.)